Home / 2,083.63-3,123.65-1,159.45

Finding the Fourth Proportional to 2,083.63, 3,123.65 and 1,159.45

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Solution

The fourth proportional to 2,083.63, 3,123.65 and 1,159.45 is: 1,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.63 : 3,123.65 = 1,159.45 : x
  2. Step 2: Convert to fraction form
    2,083.63/3,123.65 = 1,159.45/x
  3. Step 3: Cross multiply
    2,083.63x = 3,123.65 × 1,159.45
  4. Step 4: Simplify right side
    2,083.63x = 3,621,722.63
  5. Step 5: Solve for x
    x = 3,621,722.63/2,083.63
  6. Step 6: Final answer
    x = 1,738.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.